1153066340 has 24 divisors (see below), whose sum is σ = 2429715960. Its totient is φ = 459650048.

The previous prime is 1153066339. The next prime is 1153066349. The reversal of 1153066340 is 436603511.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 249703204 + 903363136 = 15802^2 + 30056^2 .

It is not an unprimeable number, because it can be changed into a prime (1153066349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92525 + ... + 104244.

It is an arithmetic number, because the mean of its divisors is an integer number (101238165).

Almost surely, 2^1153066340 is an apocalyptic number.

1153066340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1153066340 is an abundant number, since it is smaller than the sum of its proper divisors (1276649620).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1153066340 is a wasteful number, since it uses less digits than its factorization.

1153066340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197071 (or 197069 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 1153066340 is about 33956.8305352546. The cubic root of 1153066340 is about 1048.6199071690.

Adding to 1153066340 its reverse (436603511), we get a palindrome (1589669851).

The spelling of 1153066340 in words is "one billion, one hundred fifty-three million, sixty-six thousand, three hundred forty".